<script setup>

</script>

<template>
  <div class="header">
    我是main
  </div>
</template>

<style scoped>
.header{
  height: 400px;
  line-height: 100px;
  text-align: center;
  font-size: 30px;
  background-color: #c91111;
  color: #f2f2f2;
  margin: 20px;
}
</style>